frdatapicker 0.0.4 frdatapicker: ^0.0.4 copied to clipboard
A new Flutter plugin.
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:frdatapicker/frdatapicker.dart';
void main() => runApp(new MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => new _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
// platformVersion = await frdatapicker.platformVersion;
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
}
var column1Data = ['A1','A2','A3','A4'];
var column2Data = ['B1','B2','B3','B4'];
var columnChangeData = ['C1','C2','C3','C4','C5'];
List<String> dataSourceCallback(int i){
if(i==1){
return column2Data;
}
return column1Data;
}
onSelectedItemChanged(int index, int columnIndex, Function(List<int> columnIndexs) needReloadColumns){
column2Data = columnChangeData;
print(index.toString() + ":" + columnIndex.toString());
if(columnIndex==0){
needReloadColumns([1]);
}
}
@override
Widget build(BuildContext context) {
return new MaterialApp(
home: new Scaffold(
appBar: new AppBar(
title: const Text('Plugin example app'),
),
body: new Center(
child: Container(
height: 300.0,
child: FrDataPicker(itemCount: 2,itemTitles: ['A','B'],dataSourceCallback: dataSourceCallback,onSelectedItemChanged: onSelectedItemChanged,),
),
),
),
);
}
}